{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012225},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012581","490:4900012226","490:4900012509","490:4900012436","490:4900012584","490:4900012366","490:4900012507","490:4900012437","490:4900012227","490:4900012293","490:4900012583","490:4900012297","490:4900012435","490:4900012296","490:4900012438","490:4900012294","490:4900012295","490:4900012652","490:4900012439","490:4900012510","497:4970000325","490:4900012292","490:4900012228","490:4900012434","490:4900012654"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490],"twin_sims":[0.499999804558082,0.393370447272165,0.3133350450712705,0.3127590496210116,0.289741604427591,0.26503358473675304,0.24696332947922378,0.23311723133634907,0.2037096342485603,0.19180285947314604,0.17961942972806827,0.17806355373468527,0.1560619541944915,0.14749543403816925,0.10478403469651029,0.10359504333569503,0.09855874209584942,0.09465666839144057,0.0934903125728709,0.09255132011676834,0.0832689602823827,0.07685281986014803,0.0751743386957765,0.07276488063325735,0.06484212433454323],"twin_dists":[0.15291556613467194,0.17741097381912074,0.1978600393815986,0.19801683254471253,0.20442473456780835,0.21165148556859534,0.21720632773375378,0.2216416717063545,0.23167654952202768,0.2360207316134385,0.24066516584339412,0.2412741342761835,0.25032458989334455,0.2541002266194137,0.2758635525102176,0.27656044285758086,0.2795834571569958,0.2820100580849897,0.28275065615246475,0.2833522009644752,0.2895752251585406,0.29420875074480074,0.2954720424426296,0.29732589611950283,0.30379526617331176],"n_dims_used":45,"mean_confidence":0.8911461724175347},"coverage":{"mean_confidence":0.8911461724175347,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}